APEX MICROTECHNOLOGY CORPORATION • 5980 NORTH SHANNON ROAD • TUCSON, ARIZONA 85741 • USA • APPLICATIONS HOTLINE: 1 (800) 546-2739

2

ABSOLUTE MAXIMUM RATINGS

SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

SUPPLY VOLTAGE, +V

S

OUTPUT CURRENT, peak

7A

LOGIC SUPPLY VOLTAGE, Vcc

16V

POWER DISSIPATION, internal

TEMPERATURE, pin solder - 10s

300°C

150°C

TEMPERATURE, storage

–65 to +150°C

OPERATING TEMPERATURE RANGE, case

–65 to +125°C

INPUT VOLTAGE

+1 to Vcc – 1.5 Vdc

SA50

SPECIFICATIONS

PARAMETER

MIN

TYP

MAX

UNITS

INPUT

ANALOG INPUT VOLTAGES

Vcc = 12V

MOTOR A, B = 50% Duty Cycle

6

Vdc

MOTOR A = 100% Duty Cycle High

8

Vdc

MOTOR B = 100% Duty Cycle High

4

Vdc

OUTPUT

Vds (ON) VOLTAGE, each MOSFET

Ids = 5A

1.25

1.8

Vdc

TOTAL Ron, both MOSFETs

0.5

Ω

EFFICIENCY, 5A OUTPUT

+V

95

%

SWITCHING FREQUENCY

40

45

50

Khz

CURRENT, continuous

5

A

CURRENT, peak

t = 100 msec

7

A

+V

RISE TIME

36

54

nS

FALL TIME

170

250

nS

DEAD TIME

100

nS

POWER SUPPLY

+V

5

+V

80

Vdc

Vcc VOLTAGE

9.5

12

15

Vdc

Vcc CURRENT

Vcc = 12Vdc

15

20

mA

RESISTANCE, junction to case

Full temp range, for each transistor

2.0

°C/W

RESISTANCE, junction to air

Full temperature range

30

°C/W

TEMPERATURE RANGE, case

–25

+85

°C

The SA50 is constructed from MOSFET transistors. ESD handling procedures must be observed.

The internal substrate contains beryllia (BeO). Do not break the seal. If accidentally broken, do not crush, machine, or

subject to temperatures in excess of 850°C to avoid generating toxic fumes.

CAUTION

NOTES: 1. Each of the two active output transistors can dissipate 60W.

2. Unless otherwise noted: T

3. Long term operation at the maximum junction temperature will result in reduced product life. Derate internal power dissipation to

achieve high MTTF. For guidance, refer to the heatsink data sheet.

4. Guaranteed but not tested.

5. Derate to 70V below T

WARNING—AMPLIFIER PROTECTION

The SA50 contains an internal logic chip that turns on and

turns off output MOSFET drivers at a certain sequence. Noises

or oscillation caused by external wiring inductance, lack of

proper power supply bypass capacitors, ground, supply and

local internal loops, may be fed back to this logic chip and

cause it to turn on one or more MOSFET drivers at the wrong

time, thus destroying the SA50.

A well laid out PC board with

low impedance copper ground plane is necessary for the

SA50 to function properly. The Apex EK-SA50 evaluation

board is recommended for fast and easy breadboarding of

circuits using the SA50.